公开(公告)号：EP2916330B1

公开(公告)日：2019-05-01

申请号：EP13850317.2

申请日：2013-10-29

申请人： TODA KOGYO CORP.

发明人： SADAI, Makoto ,  DOTE, Tomohiro ,  OKANO, Yoji

IPC分类号： C09J7/22 ,  C04B35/26 ,  H01F1/34 ,  C04B35/30

公开(公告)号：EP2330079B1

公开(公告)日：2018-12-12

申请号：EP09814294.6

申请日：2009-09-16

申请人： Toda Kogyo Corp.

发明人： KOGA, Kazumichi ,  UEGAMI, Masayuki ,  MASUKUNI, Hiroaki ,  MATSUMOTO, Kazutoshi

IPC分类号： C01G45/12 ,  H01M4/50 ,  C04B35/01 ,  C04B35/626 ,  C04B35/628 ,  H01M4/131 ,  H01M4/485 ,  H01M4/525 ,  H01M10/052 ,  H01M4/505

CPC分类号： H01M10/052 ,  C01G45/02 ,  C01G45/1235 ,  C01P2004/03 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/40 ,  C04B35/016 ,  C04B35/62675 ,  C04B35/62802 ,  C04B35/62805 ,  C04B35/62813 ,  C04B35/62886 ,  C04B2235/3203 ,  C04B2235/3206 ,  C04B2235/3217 ,  C04B2235/3232 ,  C04B2235/3241 ,  C04B2235/3263 ,  C04B2235/3267 ,  C04B2235/3272 ,  C04B2235/3275 ,  C04B2235/3279 ,  C04B2235/3409 ,  C04B2235/442 ,  C04B2235/528 ,  C04B2235/5436 ,  C04B2235/5463 ,  C04B2235/5481 ,  C04B2235/81 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  Y02E60/122 ,  Y02P70/54

摘要： According to the present invention, there is provided a process for producing lithium manganate particles having a high output and an excellent high-temperature stability. The present invention relates to a process for producing lithium manganate particles comprising the steps of mixing a lithium compound, a manganese compound and a boron compound with each other; and calcining the resulting mixture in a temperature range of 800 to 1050°C, wherein an average particle diameter (D 50 ) of the boron compound is not more than 15 times an average particle diameter (D 50 ) of the manganese compound, and wherein the lithium manganate particles have a composition represented by the following chemical formula: €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒLi 1+x Mn 2-x-y Y1 y O 4 + B in which Y1 is at least one element selected from the group consisting of Ni, Co, Mg, Fe, Al, Cr and Ti, and x and y satisfy the conditions of 0.03 ‰¤ x ‰¤ 0.15 and 0 ‰¤ y ‰¤ 0.20, respectively.

公开(公告)号：EP2857903B1

公开(公告)日：2018-09-05

申请号：EP13796970.5

申请日：2013-05-30

申请人： Toda Kogyo Corp.

发明人： KINOSHITA, Kaori ,  KURITA, Eiichi

IPC分类号： G03G9/107 ,  G03G9/113 ,  G03G9/10

CPC分类号： G03G9/1135 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/1131 ,  G03G9/1133 ,  G03G9/1136

摘要： The present invention relates to a magnetic carrier for an electrophotographic developer comprising spherical composite core particles comprising at least ferromagnetic iron oxide fine particles and a cured phenol resin, and having an average particle diameter of 20 to 60 µ m, the magnetic carrier for an electrophotographic developer satisfying the formula (1): à 1 - à 0 = -2 to 0 wherein à 0 represents a saturation magnetization (Am 2 /kg) of the carrier particles having a particle diameter in the vicinity of the average particle diameter of the magnetic carrier for an electrophotographic developer; and à 1 represents a saturation magnetization (Am 2 /kg) of the carrier particles having a particle diameter of less than 20 µ m, and a two-component system developer using the magnetic carrier. The two-component system developer of the present invention includes a magnetic carrier used for an electrophotographic developer which can exhibit a good durability, is free from occurrence of carrier adhesion, and can maintain a high quality of images produced for a long period of time, and comprises the magnetic carrier for an electrophotographic developer and a toner.

公开(公告)号：EP2277828B1

公开(公告)日：2018-08-08

申请号：EP09727078.9

申请日：2009-03-26

申请人： Toda Kogyo Corp.

发明人： MISHIMA, Yuji ,  HONDA, Shingo ,  KONO, Yoshiteru ,  SATO, Kouta ,  OKAZAKI, Seiji ,  KATAMOTO, Tsutomu

IPC分类号： C01B25/45 ,  H01M4/02 ,  H01M4/58

CPC分类号： H01M4/5825 ,  C01B25/45

摘要： The present invention relates to a process for producing lithium iron phosphate particles having an olivine type structure, comprising a first step of mixing an iron oxide or an iron oxide hydroxide as an iron raw material which comprises at least one element selected from the group consisting of Na, Mg, Al, Si, Cr, Mn and Ni in an amount of 0.1 to 2 mol% for each element based on Fe, and a carbon element C in an amount of 5 to 10 mol% based on Fe, and has a content of Fe 2+ of not more than 40 mol% based on an amount of Fe and an average primary particle diameter of 5 to 300 nm, with a lithium raw material and a phosphorus raw material; a second step of controlling agglomerates diameter in the resulting mixture is 0.3 to 5.0 µm; and a third step of sintering the mixture obtained in the second step in an inert gas or reducing gas atmosphere having an oxygen concentration of not more than 0.1% at a temperature of 250 to 750°C.

公开(公告)号：EP2492927B1

公开(公告)日：2018-04-18

申请号：EP10824929.3

申请日：2010-10-19

申请人： Toda Kogyo Corp. ,  Tohoku University

发明人： TAKAHASHI, Migaku ,  OGAWA, Tomoyuki ,  OGATA, Yasunobu ,  KOBAYASHI, Naoya

IPC分类号： H01F1/11 ,  C01B21/06 ,  H01F1/06 ,  H01F1/08 ,  B82Y30/00

CPC分类号： H01F1/0533 ,  B82Y30/00 ,  C01B21/0622 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/42 ,  H01F1/06 ,  H01F1/061 ,  H01F1/08 ,  Y10T428/2982

摘要： The present invention relates to Fe 16 N 2 particles in the form of a single phase which are obtained by subjecting iron oxide or iron oxyhydroxide whose surface may be coated with at least alumina or silica, if required, as a starting material, to reducing treatment and nitridation treatment, a process for producing the Fe 16 N 2 particles in the form of a single phase for a heat treatment time of not more than 36 hr, and further relates to an anisotropic magnet or a bonded magnet which is obtained by magnetically orienting the Fe 16 N 2 particles in the form of a single phase. The Fe 16 N 2 particles according to the present invention can be produced in an industrial scale and have a large BH max value.

公开(公告)号：EP2485305B1

公开(公告)日：2018-04-18

申请号：EP10820498.3

申请日：2010-09-28

申请人： Toda Kogyo Corp.

发明人： YAMAMOTO, Manabu ,  NISHIKAWA, Daisuke ,  ISHIZAKI, Kazutoshi ,  KIKUYA, Kazuhiko ,  SANTOKI, Teruaki ,  SASAKI, Osamu ,  SADAMURA, Hideaki

IPC分类号： C01G53/00 ,  H01M4/505 ,  H01M4/36 ,  H01M4/525

CPC分类号： C01G51/50 ,  B82Y30/00 ,  C01G45/1228 ,  C01G51/42 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/76 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/80 ,  H01M4/505 ,  H01M4/525 ,  Y02E60/122 ,  Y02P70/54

摘要： The present invention relates to positive electrode active substance particles comprising a compound having at least a crystal system belonging to a space group of R-3m and a crystal system belonging to a space group of C2/m, and boron, wherein the compound is a composite oxide comprising at least Li, Mn, and Co and/or Ni; a relative intensity ratio [(a)/(b)] of a maximum diffraction peak intensity (a) observed at 2¸ = 20.8±1° in a powder X-ray diffraction pattern of the positive electrode active substance as measured using a Cu-K± ray to a maximum diffraction peak intensity (b) observed at 28 = 18.6±1° in the powder X-ray diffraction pattern, is 0.02 to 0.5; a content of Mn in the positive electrode active substance particles is controlled such that a molar ratio of Mn/(Ni + Co + Mn) therein is not less than 0.55; and the positive electrode active substance particles comprise the boron in an amount of 0.001 to 3% by weight. The positive electrode active substance particles of the present invention are produced by calcining a mixture comprising precursor particles comprising Mn, and Ni and/or Co, a lithium compound and a boron compound at a temperature of 500 to 1500°C. The positive electrode active substance particles of the present invention can provide a secondary battery which can be improved in charge/discharge capacity and cycle characteristics.

公开(公告)号：EP2314545B1

公开(公告)日：2018-03-07

申请号：EP09725552.5

申请日：2009-03-26

申请人： Toda Kogyo Corp.

发明人： KOBINO, Masashi ,  FUJITA, Katsuhiro ,  OKAZAKI, Seiji ,  HONDA, Tomohiro ,  NISHIO, Takahisa ,  FUJIMOTO, Ryota ,  HIRAMOTO, Toshiaki ,  SATO, Kouta ,  ITO, Akino ,  OKINAKA, Kenji ,  FUJINO, Shoichi ,  NISHIMOTO, Kazushi ,  UEGAMI, Masayuki ,  MORITA, Daisuke ,  KAJIYAMA, Akihisa

IPC分类号： C01G51/04 ,  H01M4/52

CPC分类号： C01G51/04 ,  C01G51/42 ,  C01P2002/52 ,  C01P2002/60 ,  C01P2002/72 ,  C01P2002/88 ,  C01P2004/03 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/10 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/525 ,  H01M10/052

摘要： The present invention relates to cobalt oxyhydroxide particles and lithium cobaltate particles which have a high density and a uniformly grown crystal structure. These objects of the present invention can be achieved by cobalt oxyhydroxide particles having an average secondary particle diameter (D50) of 3.0 to 25.0 µm, a BET specific surface area (BET) of 0.1 to 20.0 m 2 /g, a tap density (TD) of 1.0 to 3.5 g/cm 3 in which the average secondary particle diameter (D50) and the BET specific surface area (BET) of the cobalt oxyhydroxide particles satisfy the relational formula; and by lithium cobaltate particles having an average secondary particle diameter (D50) of 15.0 to 25.0 µm, a specific surface area (BET) of 0.10 to 0.30 m 2 /g, a compressed density (CD; as measured by applying a pressure of 2.5 t/cm 2 thereto) of 3.65 to 4.00 g/cm 3 . The cobalt oxyhydroxide particles are useful as a precursor of a positive electrode active substance (lithium cobaltate particles) used in a non-aqueous electrolyte secondary battery, and the lithium cobaltate particles are useful as a the positive electrode active substance used in a non-aqueous electrolyte secondary battery.

公开(公告)号：EP3147270A4

公开(公告)日：2018-01-24

申请号：EP15796179

申请日：2015-05-21

申请人： TODA KOGYO CORP

发明人： OKANO YOJI ,  SADAI MAKOTO ,  HONDA SHINGO ,  KURUMADA MITSUNORI ,  YOSHIDA AKIHIRO ,  KAWATO KAZUYOSHI

IPC分类号： C04B35/30 ,  H05K9/00

CPC分类号： H01F1/342 ,  C04B35/2666 ,  C04B2235/3274 ,  C04B2235/3275 ,  C04B2235/3279 ,  C04B2235/3282 ,  C04B2235/3284 ,  C04B2235/96 ,  H05K9/00 ,  H05K9/0075

摘要： The present invention relates to a ferrite sintered plate having a composition comprising 47 to 50 mol% of Fe 2 O 3 , 7 to 26 mol% of NiO, 13 to 36 mol% of ZnO, 7 to 12 mol% of CuO and 0 to 1.5 mol% of CoO, as calculated in terms of the respective oxides, in which the ferrite sintered plate has a volume resistivity of 1 x 10 8 to 1 x 10 12 ©cm and a thickness of 10 to 60 µ m; and a ferrite sintered sheet comprising the ferrite sintered plate on a surface of which a groove or grooves are formed, and an adhesive layer and/or a protective layer formed on the ferrite sintered plate, in which the ferrite sintered sheet has a magnetic permeability at 500 kHz a real part of which is 120 to 800 and an imaginary part of which is 0 to 30, and a product ( µ m) of the real part of the magnetic permeability at 500 kHz of the ferrite sintered sheet and a thickness of the ferrite sintered plate is 5000 to 48000. The ferrite sintered plate and the ferrite sintered sheet according to the present invention have a high volume resistivity as well as a large µ ' value and a small µ " value of a magnetic permeability thereof, and therefore can be suitably used as a shielding plate in a digitizer system.

公开(公告)号：EP2157640B1

公开(公告)日：2018-01-10

申请号：EP08720642.1

申请日：2008-03-27

申请人： Toda Kogyo Corp.

发明人： UEGAMI, Masayuki ,  KAJIYAMA, Akihisa ,  ISHIZAKI, Kazutoshi ,  SADAMURA, Hideaki

IPC分类号： H01M4/505 ,  C01G45/12 ,  H01M4/525 ,  H01M10/0525 ,  C01G51/00

CPC分类号： H01M4/505 ,  C01G45/1242 ,  C01G51/54 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/77 ,  C01P2004/03 ,  C01P2004/51 ,  C01P2004/52 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/525 ,  H01M10/0525 ,  Y02E60/122 ,  Y02P70/54 ,  Y10T428/2982

摘要： The present invention aims at providing lithium manganate having a high output and an excellent high-temperature stability. The above aim can be achieved by lithium manganate particles having a primary particle diameter of not less than 1 µm and an average particle diameter (D 50 ) of kinetic particles of not less than 1 µm and not more than 10 µm, which are substantially in the form of single crystal particles and have a composition represented by the following chemical formula: Li 1+x Mn 2-x-y Y y O 4 in which Y is at least one element selected from the group consisting of Al, Mg and Co; x and y satisfy 0.03 ‰¤ x ‰¤ 0.15 and 0.05 ‰¤ y ‰¤ 0.20, respectively, wherein the Y element is uniformly dispersed within the respective particles, and an intensity ratio of I(400)/I(111) thereof is not less than 33% and an intensity ratio of I(440)/I(111) thereof is not less than 16%.

公开(公告)号：EP3202717A1

公开(公告)日：2017-08-09

申请号：EP15847303.3

申请日：2015-09-29

申请人： Toda Kogyo Corp.

发明人： NISHIO, Yasushi ,  NOMURA, Satoshi ,  FUJII, Yasuhiko ,  SAKURAI, Hiromitsu

IPC分类号： C01G49/00 ,  H01F1/11 ,  H01F1/113

CPC分类号： H01F1/113 ,  C01G49/0018 ,  C01P2002/70 ,  C01P2004/61 ,  C01P2006/42 ,  C08K3/01 ,  C08K2201/01 ,  H01F1/11

摘要： The object of the present invention relates to ferrite particles for bonded magnets and a resin composition for bonded magnets which is capable of obtaining a bonded magnet molded product having a good magnetic force and a magnetic waveform as well as high iHc and Hk by injection molding. The present invention aims at providing a bonded magnet molded product using the ferrite particles and the resin composition. The aforementioned object of the present invention can be achieved by ferrite particles for bonded magnets which have a crystal distortion of not more than 0.14 as measured by XRD, and an average particle diameter of not less than 1.30 µ m as measured by Fisher method; a resin composition for bonded magnets; and a molded product obtained by injection-molding the resin composition.

摘要翻译： 本发明的目的在于提供一种粘结磁体用铁氧体颗粒和粘结磁体用树脂组合物，其能够通过注射成型得到具有良好的磁力和磁性波形以及高iHc和Hk的粘结磁体成型体。 本发明旨在提供一种使用铁氧体颗粒和树脂组合物的粘结磁体成型产品。 本发明的上述目的可以通过用X射线衍射法测定的结晶变形为0.14以下，用Fisher法测定的平均粒径为1.30μm以上的粘结磁铁用铁素体粒子来实现， 粘结磁体用树脂组合物; 以及通过注塑树脂组合物而获得的模制品。